Table of Contents
Advertisement
Programming ProASIC Devices
Programming Voltages
20
Actel recommends powering down the board during programming. Do
not drive tristated I/O's with 3.3V signals during programming or the I/
O pads will latch up and a high current will flow through the I/O pad
cell, which can damage the device.
There are two low-voltage power supplies, V
addition, SE II requires two high-voltage sources (V
programming. See Table 8 for a summary of voltage values required
for programming.
Table 8. Programming Mode
Power Supply
V
DDL
V
DDP
V
PP
V
PN
The typical current consumption for each programming pin during
programming is:
• I
< 35 mA @ VPP = + 16.5V
VPP
• I
< 15 mA @ VPN = –12V
VPN
• I
< 20 mA @ V
VDDP
• I
= 0 mA @ V
VDDL
Voltage
2.5V
16.5V
–12V
= + 2.5V
DDP
= + 0V
DDL
and V
. In
DDL
DDP
and V
PP
0V
) for
PN
Advertisement
Table of Contents
